Function produce

test/parallel/test-vm-cached-data.js:11–36

(source, count)

}

function produce(source, count) {
  count ||= 1;

  const out = spawnSync(process.execPath, [ '-e', `
    'use strict';
    const assert = require('assert');
    const vm = require('vm');

    var data;
    for (var i = 0; i < ${count}; i++) {
      var script = new vm.Script(process.argv[1], {
        produceCachedData: true
      });

      assert(!script.cachedDataProduced || script.cachedData instanceof Buffer);

      if (script.cachedDataProduced)
        data = script.cachedData.toString('base64');
    }
    console.log(data);
  `, source]);

  assert.strictEqual(out.status, 0, String(out.stderr));

  return Buffer.from(out.stdout.toString(), 'base64');
}

function testProduceConsume() {
  const source = getSource('original');